Agilent Technologies 8504B - Page 228

FINAL TRIM SIZE : 7.5 in x 9.0 in
Reference
Keys,
Softkeys,
and
Connectors
K
ey
P
ath:
4
SA
VE
5
,
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N
STORE
TO
DISK
,
N
N
N
NN
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DEFINE
STORE
,
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N
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N
PURGE
FILES
,
N
N
N
N
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READ
FILE TITLES
4
RECALL
5
This
menu
lets
you
recall data
from instrument-state
registers and
an external
disk drive
.
RECALL
COLORS
Recalls
any
previously saved
screen color
modications.
This key
is
not
visible
unless
color modications
have been
saved.
K
ey
P
ath:
4
DISPLA
Y
5
,
N
N
N
N
N
N
NN
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N
N
MORE
,
N
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N
N
N
ADJUST
DISPLAY
,
N
N
N
N
N
N
NN
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NN
N
N
N
N
N
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N
NN
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N
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N
RECALL
COLORS
RECALL
REGn
Recalls
the
instrument
state
saved
in
register
1,
2,
3,
4, or
5.
The
current
instrument
state is
overwritten.
K
ey
P
ath:
4
RECALL
5
,
N
N
N
N
N
N
N
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N
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N
RECALL
REGn
RECEIVER
ARM
OUTPUT
connector
This
rear-panel connection
allows
direct
input
to
the
optical
detector
.
The
yellow
ber-optic
cable
should
normally
remain
connected
to
this
connector
.
Refer
to
\Block
Diagram
"
in
this
chapter
.
REFERENCE
EXTENSION
A
connector
Attach
the
reference
ber-optic
cable
to
this
front-panel
output
connector
.
The
output
at
this
connector
is
1300
nn
or
1550
nm
at
a
power
level
that
is
less
than
the
value
listed
in
\Characteristics"
in
Chapter
6
for
the
TEST
PORT
connector
.
Refer
to
\Block
Diagram
"
in
this
chapter
.
REFERENCE
EXTENSION
B
connector
Attach the
reference ber-optic
cable to
this
front-panel
input
connector
.
The
input wavelength
is 1300
nm or
1550
nm
from
the
REFERENCE
EXTENSION
B
connector.
Refer to
\Block Diagram
"
in
this
chapter
.
REFERENCE
POSITION
Sets
the position
of the
reference line
on the
screen. The
default value
is
ve
divisions up (the middle of the screen). The reference line is normally red
and further identied by a small triangle at the left
edge of the graticule
.
Key P
ath: 4
SCALE REF
5 ,
NNNNNN
NNNNNNNNNNNNNNNNNNNNNNNNN
NNNNNNNNNNNNNNNNNNNNNNNNN
REFERENCE POSITION
5-41
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